Are Repeatability, Reproducibility and Accuracy the Same?
No. In simple terms, repeatability concerns agreement under the same conditions, reproducibility agreement after conditions change, and accuracy closeness to a reference.
View resource →Product overview
The Lovibond® ICx is a high-precision benchtop transmission spectrophotometer for colour and low-level Pt-Co/Hazen/APHA measurements of near-clear liquids. Full-spectrum measurement and long-path cells support consistent, traceable colour data in R&D, quality control and production laboratories.
Low-level Pt-Co performance
| Pt-Co standard | Accuracy | Reproducibility | Repeatability |
|---|---|---|---|
| 5 | ±0.5 | ±0.3 | ±0.2 |
| 10 | ±0.75 | ±0.7 | ±0.5 |
| 20 | ±1.20 | ±1.0 | ±1.0 |
These figures apply to low-level Pt-Co measurements using a 100 mm path-length cell. Method, sample preparation and quality-control requirements should be confirmed for the laboratory workflow.
Key features
- Full-spectrum transmission measurement from 400–700 nm in less than 10 seconds.
- 4.3-inch colour LCD with a six-key tactile membrane keypad.
- Supports cells from 0.1–152.4 mm; a 100 mm cell is used for high-precision Pt-Co measurement.
- Storage for more than 100,000 results, with USB and RS-232 connectivity.
Colour scales and standards
Scales include Pt-Co/Hazen/APHA, CIEL*a*b* and Yellowness Index. Supported methods include ASTM D1209, ASTM D5386, ISO 6271 and ASTM E313.
Technical specifications
| Part number | 169300 |
|---|---|
| Measurement principle | Transmission spectrophotometry |
| Spectral range | 400–700 nm |
| Photometric range | 0–100% T |
| Light source | 12 V, 20 W tungsten-halogen lamp |
| Cell path length | 0.1–152.4 mm |
| Display and controls | 4.3-inch colour LCD; six-key tactile membrane keypad |
| Interfaces | USB, RS-232 |
| Data storage | More than 100,000 readings |
| Measurement time | <10 seconds |
| Instrument dimensions | 301 × 152 × 331 mm |
| Power | External 24 V supply |
Standard delivery
Instrument, power adapter and power leads, W600/B/100 (100 mm) borosilicate glass cell, standard filter, Quick Start Guide, and USB memory stick containing the operator manual. Final supply is subject to Labsun order confirmation.
Optional accessories and reference standards
| 169305 | PTFE sample chamber |
|---|---|
| 656030 | W600/B/100 cell |
| 690514 | Cell cover |
Applications
Suitable for colour control of chemicals, solvents, resins, oils, pharmaceutical materials, cosmetic ingredients and other near-clear liquids. Labsun provides configuration guidance, method support and after-sales service based on the target scale, range, cell and quality-system requirements.